./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:47,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:47,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 23:34:47,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:34:47,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:34:47,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:47,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:47,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:47,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:47,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:47,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:47,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:47,876 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:47,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:47,876 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:34:47,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-12-05 23:34:48,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:48,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:48,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:48,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:48,118 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:48,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-12-05 23:34:50,753 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/2aaa15cf5/fd80adb1beb34a74924360259c3c45c2/FLAGb9a054d83 [2024-12-05 23:34:51,076 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:51,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-12-05 23:34:51,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/2aaa15cf5/fd80adb1beb34a74924360259c3c45c2/FLAGb9a054d83 [2024-12-05 23:34:51,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/2aaa15cf5/fd80adb1beb34a74924360259c3c45c2 [2024-12-05 23:34:51,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:51,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:51,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:51,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:51,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:51,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:51" (1/1) ... [2024-12-05 23:34:51,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36059bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:51, skipping insertion in model container [2024-12-05 23:34:51,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:51" (1/1) ... [2024-12-05 23:34:51,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:52,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:52,057 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:52,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:52,240 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:52,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52 WrapperNode [2024-12-05 23:34:52,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:52,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:52,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:52,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:52,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,298 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-12-05 23:34:52,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:52,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:52,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:52,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:52,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:52,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:52,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:52,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:52,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:52,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:52,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:52,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:34:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:34:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:52,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:52,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:52,470 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:52,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:52,639 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:52,639 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:34:52,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:34:52,792 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:34:52,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:52 BoogieIcfgContainer [2024-12-05 23:34:52,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:34:52,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:34:52,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:34:52,802 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:34:52,802 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:52" (1/1) ... [2024-12-05 23:34:52,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:34:52,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:34:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:34:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:34:52,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:34:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:53,066 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:53,183 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:34:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:34:53,218 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:34:53,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:34:53 ImpRootNode [2024-12-05 23:34:53,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:34:53,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:34:53,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:34:53,242 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:34:53,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:34:52" (3/4) ... [2024-12-05 23:34:53,245 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:34:53,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:34:53,247 INFO L158 Benchmark]: Toolchain (without parser) took 1911.94ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 95.0MB in the end (delta: 18.2MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-12-05 23:34:53,247 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:53,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.60ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 54.9MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 23:34:53,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.28ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 113.1MB in the end (delta: -58.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-05 23:34:53,248 INFO L158 Benchmark]: Boogie Preprocessor took 21.77ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 111.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:53,249 INFO L158 Benchmark]: RCFGBuilder took 470.65ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 73.8MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:34:53,249 INFO L158 Benchmark]: CodeCheck took 448.34ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 95.0MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:53,249 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:34:53,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1561] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.60ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 54.9MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.28ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 113.1MB in the end (delta: -58.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.77ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 111.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 470.65ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 73.8MB in the end (delta: 37.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 448.34ms. Allocated memory is still 142.6MB. Free memory was 73.8MB in the beginning and 95.0MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:34:53,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:34:55,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:34:55,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 23:34:55,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:34:55,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:34:55,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:34:55,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:34:55,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:34:55,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:34:55,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:34:55,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:34:55,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:34:55,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:34:55,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:34:55,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:55,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:34:55,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46d9056c51296d86959c0dc6477e58afd526030f4a24e2585b0578ae844a196 [2024-12-05 23:34:55,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:34:55,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:34:55,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:34:55,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:34:55,575 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:34:55,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-12-05 23:34:58,204 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/e84f517ee/47e4aecbcf69445a857266166dd1432f/FLAG52011fc9f [2024-12-05 23:34:58,523 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:34:58,523 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_44_bad.i [2024-12-05 23:34:58,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/e84f517ee/47e4aecbcf69445a857266166dd1432f/FLAG52011fc9f [2024-12-05 23:34:58,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/data/e84f517ee/47e4aecbcf69445a857266166dd1432f [2024-12-05 23:34:58,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:34:58,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:34:58,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:58,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:34:58,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:34:58,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:58" (1/1) ... [2024-12-05 23:34:58,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1066f81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:58, skipping insertion in model container [2024-12-05 23:34:58,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:34:58" (1/1) ... [2024-12-05 23:34:58,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:34:59,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:59,437 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:34:59,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:34:59,631 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:34:59,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59 WrapperNode [2024-12-05 23:34:59,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:34:59,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:59,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:34:59,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:34:59,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,674 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2024-12-05 23:34:59,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:34:59,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:34:59,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:34:59,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:34:59,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:34:59,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:34:59,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:34:59,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:34:59,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:34:59" (1/1) ... [2024-12-05 23:34:59,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:34:59,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:34:59,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:34:59,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 23:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 23:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:34:59,870 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:34:59,871 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:34:59,978 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-05 23:34:59,978 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:35:00,030 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:35:00,031 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:35:00,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:00 BoogieIcfgContainer [2024-12-05 23:35:00,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:35:00,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:35:00,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:35:00,040 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:35:00,040 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:00" (1/1) ... [2024-12-05 23:35:00,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:35:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:35:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:35:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:35:00,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:35:00,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:35:00,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:35:00,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:35:00,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:35:00,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:35:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:00,230 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:00,320 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:35:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:35:00,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:35:00,351 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:35:00,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:35:00 ImpRootNode [2024-12-05 23:35:00,373 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:35:00,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:35:00,373 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:35:00,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:35:00,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:35:00" (3/4) ... [2024-12-05 23:35:00,375 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 23:35:00,413 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 23:35:00,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:35:00,456 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:35:00,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:35:00,456 INFO L158 Benchmark]: Toolchain (without parser) took 1667.09ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 52.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,457 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.32ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,458 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,458 INFO L158 Benchmark]: RCFGBuilder took 328.31ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 40.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:35:00,458 INFO L158 Benchmark]: CodeCheck took 340.79ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 57.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,458 INFO L158 Benchmark]: Witness Printer took 82.37ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 52.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:35:00,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_predec_44_bad() [L1558] int data; [L1559] void (*funcPtr) (int) = badSink; [L1560] data = 0 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1561] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1562] CALL funcPtr(data) [L1551] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.32ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.31ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 40.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 340.79ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 57.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.37ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 52.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 23:35:00,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e3fb55-2df3-4d19-a621-34d804d87370/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)